/Engine/Plugins/Runtime/GameplayAbilities/Source/GameplayAbilities/Public/AbilitySystemComponent.h
Cancels the ability indicated by passed in spec handle. If handle is not found among reactivated abilities nothing happens.
void CancelAbilityHandle ( const [FGameplayAbilitySpecHandle](API\Plugins\GameplayAbilities\FGameplayAbilitySpecHandle) & AbilityHandle )